Billionaire hedge fund investor Bill Ackman beaten in ATP Tour debut Sport Business Billionaire hedge fund investor Bill Ackman was beaten in straight sets as he made his ATP Tour debut. The 59-year-old chief executive of Pershing Square Capital Management lost 6-1 7-5 in the Hall of Fame Open doubles tournament in Rhode Island alongside his partner Jack Sock – a three-time grand slam winner. Ackman was entered [...]